METHODS AND SYSTEMS FOR IMPROVED CALLER NAME IDENTIFICATION ON A TELEPHONE NETWORK

摘要

A phone network in a wireless environment that does not perform CNAM querieswhen a number is already storedin the receiving handsets' caller directory. CNAM query fees are charged onlyto obtain caller information on a new caller. Thenetwork does not make CNAM queries when the caller information is alreadyavailable, whether in the contact information storedon the receiver's handset or through some other reliable source.